Error VQMOD 2.4.1 in Opencart 1.5.6.4

I just installed VQMOD 2.4.1 in Opencart 1.5.6.4.... success, but got this message :

Warning: mysql_query() [function.mysql-query]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in /home/content/80/9172680/html/szdreamaker/vqmod/vqcache/vq2-catalog_controller_common_footer.php on line 25Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in /home/content/80/9172680/html/szdreamaker/vqmod/vqcache/vq2-catalog_controller_common_footer.php on line 25Warning: mysql_num_rows() expects parameter 1 to be resource, boolean given in /home/content/80/9172680/html/szdreamaker/vqmod/vqcache/vq2-catalog_controller_common_footer.php on line 25

Please help how can i fix it....

There's an error in a vQmod script you're using that changes the page footer. You'll need to ask the developer for assistance.